Why Britney’s little sister got pregnant at 16 Jamie Lynn Spears Thu-09-Feb-12 09:13 Share this By Jay-Jay FeeneyThe reason BRITNEY SPEARS' little sister Jamie Lynn fell pregnant at 16 was because she was "really scared" to discuss birth control with her doctor.She said, "I believe in safety and birth control as prevention. But like many young girls... I was really scared to go to the doctor. And I was on a Nickelodeon show, and it (felt) especially embarrassing to ask someone to put me on birth control. I didn't want to ask my doctor." You May Also Like Britney Spears plans to retire after Las Vegas show Want a photo with Britney? It'll cost you... $2.5K! How big is Britney? Become a fan of The Edge on Facebook and on Twitter .